High pressure utilization of quartz crystal microbalance

摘要

A QCM sensor apparatus comprising a QCM mounting insert having a first opening, a second opening, and a barrier fluid chamber disposed between the first opening and the second opening, and a QCM wafer sealably coupled to the second opening, wherein the QCM wafer has an electrode contact exposed to the barrier fluid chamber and a sensitive layer that is not exposed to the barrier fluid chamber.